Common Grackle, Brewers Blackbird

I had assumed a Common Grackle. Coming from the north I didn’t even bother to check until finishing the images. Now shooting in the south my ID of species has been ‘slightly’ suspect. I checked this one. It didn’t help, but I checked.

Common Grackle, Brewers Blackbird – Click To Enlarge

The weeds around the bird are actually floating plants. They grow along the banks where there is shade. He might have selected a safer spot but nothing happened and he moved on.